NDLI: Generalisation of an averaged model approach to estimate the period-doubling bifurcation onset in power converters

Content Provider	IET Digital Library
Author	Ghoachani, Roghayeh Gavagsaz Phattanasak, Matheepot Martin, Jean Philippe Pierfederici, Serge Mobarakeh, Babak Nahid Davat, Bernard
Abstract	The usual method of estimating the onset of bifurcation and studying non-linear phenomena in power electronic devices consists of defining the discrete-time model. This model provides more precise results than an averaged model. However, the discrete-time model cannot be developed easily for some particular systems. In this study, a continuous-time averaging model is developed for a boost converter in the continuous-conduction mode (CCM). This proposed model is used to obtain the eigenvalues of the system to predict the stable operation of the period-1 orbit. It is observed that the loss of the asymptotic stability of the proposed model corresponds to the onset of period-doubling bifurcation in the discrete-time model. The generalisation of this method is investigated by applying the proposed method to a DC active filter converter connected in parallel with a CCM boost converter. Using this model, it is possible to obtain the eigenvalues of the system to investigate robustness properties with regards to system parameter variations. To confirm the validity of the proposed method, simulation and experimental results are presented.
Starting Page	977
Ending Page	988
Page Count	12
ISSN	17554535
Volume Number	9
e-ISSN	17554543
Issue Number	Issue 5, Apr (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/9/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2014.0756
Journal	IET Power Electronics
Publisher Date	2016-04-20
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Filter Active Network Asymptotic Stability Averaged Model Approach Generalisation Bifurcation CCM Boost Converter Continuous-conduction 20 Mode Boost Converter Continuous-time Averaging Model DC Active Filter Converter DC-DC Converter DC-DC Power Converter Discrete-time Model Eigen Values And Eigen Function Eigenvalue Method Linear Algebra Nonlinear Phenomena Numerical Analysis Period-1 Orbit Stable Operation Prediction Period-doubling Bifurcation Onset Estimation Power Converter Robustness Property Power Electronic Device Power Electronics Power Supply Supervisory Circuit
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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